CN115790210B - Integrated gas-water separation heat exchanger and method suitable for compressed air energy storage power station - Google Patents
Integrated gas-water separation heat exchanger and method suitable for compressed air energy storage power station Download PDFInfo
- Publication number
- CN115790210B CN115790210B CN202211378716.6A CN202211378716A CN115790210B CN 115790210 B CN115790210 B CN 115790210B CN 202211378716 A CN202211378716 A CN 202211378716A CN 115790210 B CN115790210 B CN 115790210B
- Authority
- CN
- China
- Prior art keywords
- gas
- water
- compressed air
- chamber
- shell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids
Landscapes
- Drying Of Gases (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses an integrated gas-water separation heat exchanger suitable for a compressed air energy storage power station, and relates to the technical field of non-afterburning compressed air energy storage power stations. The device comprises a shell, a heat exchange tube bundle, a compressed gas inlet, a compressed gas outlet and a gas-water separation device, wherein the gas-water separation device comprises an exhaust chamber, a steering chamber and a gas-water separator; the exhaust chamber is positioned between the two steering chambers, and the bottom of the exhaust chamber is connected with the compressed gas outlet. The invention can solve the problems of large occupied area and low system integration degree of the traditional heat exchanger and the gas-water separator which are separately arranged, can reduce the side flow resistance of the compressed air, reduce the amount of compressed air pipeline engineering, improve the electric conversion efficiency of the whole plant and reduce the manufacturing cost of the whole plant. The invention also discloses a use method of the integrated gas-water separation heat exchanger suitable for the compressed air energy storage power station.
Description
Technical Field
The invention relates to the technical field of non-afterburning type compressed air energy storage power stations, in particular to an integrated gas-water separation heat exchanger suitable for a non-afterburning type compressed air energy storage power station. The invention also relates to a use method of the integrated gas-water separation heat exchanger suitable for the non-afterburning type compressed air energy storage power station.
Background
In the background of constructing a novel power system and realizing a double-carbon target, energy storage plays a vital role; the compressed air energy storage has the advantages of large scale, high efficiency, low cost, environmental protection, flexibility and the like, can realize energy storage services such as power grid peak regulation, frequency modulation, phase modulation, rotary standby, emergency response and the like, and improves the economical efficiency and the reliability of the power system.
The non-afterburning compressed air energy storage power station mainly comprises an air compression system, a heat exchange system, a heat storage system, a gas storage system and an expansion power generation system; the heat exchange system is divided into a compression side heat exchange system and an expansion side heat exchange system, wherein the compression side heat exchange system mainly comprises a heat exchanger and a gas-water separator, the heat exchanger and the gas-water separator are arranged behind each section of compressor, and the heat exchanger aims to transfer the heat of compressed high-temperature air to a heat storage medium (water, heat conducting oil, molten salt and the like) with lower temperature so as to reduce the air temperature and improve the efficiency of the compressor; a gas-water separator is arranged behind each stage of heat exchanger, and the purpose of the gas-water separator is to separate out water separated out after air cooling, so that the water content of the air is reduced, the safe and stable operation of compressor equipment is ensured, and the service life of the equipment is prolonged.
At present, the compression side heat exchange systems of the non-afterburning type compressed air energy storage power station all adopt the form of independently arranging heat exchangers and gas-water separators; the arrangement form occupies a large area, the connecting pipeline between the devices is long, and the air flow resistance is large, so that the conversion efficiency of the energy storage power station can be adversely affected.
In view of the above, a method for reducing the air temperature and the water content and simultaneously reducing the occupied area and improving the integration degree of the system is developed; the integrated gas-water separation heat exchanger can also shorten the pipeline flow, reduce the air circulation resistance and reduce the energy loss to the greatest extent, thereby achieving better economy and higher power station conversion efficiency.
Disclosure of Invention
A first object of the present invention is to overcome the above-mentioned drawbacks of the related art, and to provide an integrated gas-water separation heat exchanger suitable for a compressed air energy storage power station.
The second object of the invention is to provide a method for using the integrated gas-water separation heat exchanger suitable for the compressed air energy storage power station.
In order to achieve the first object, the technical scheme of the invention is as follows: integrated gas-water separation heat exchanger suitable for compressed air energy storage power station, its characterized in that: the device comprises a shell, a heat exchange tube bundle positioned in the shell, a plurality of compressed gas inlets positioned at the top of the shell, a plurality of compressed gas outlets positioned at the bottom of the shell, and a plurality of groups of gas-water separation devices positioned at the bottom of the shell, wherein each gas-water separation device comprises an exhaust chamber, a steering chamber and a gas-water separator; the exhaust chamber is positioned between the two steering chambers, and the bottom of the exhaust chamber is connected with the compressed gas outlet;
the bottom of the steering chamber is provided with a drainage pore plate, a drainage outlet communicated with the outside of the shell is arranged below the drainage pore plate, and the steering chamber is communicated with the exhaust chamber.
In the above technical scheme, the exhaust chamber is a concave exhaust cavity, and the side surface of the steering chamber and the drain orifice plate form a concave drain cavity.
In the technical scheme, the steering chamber is communicated with the exhaust chamber through the gas-water separator.
In order to achieve the second object, the technical scheme of the invention is as follows:
compared with the prior art, the invention has the following advantages: the application method of the integrated gas-water separation heat exchanger suitable for the compressed air energy storage power station is characterized by comprising the following steps of:
step 1: high-temperature high-pressure air enters the upper part of the shell through a compressed air inlet of the shell, is cooled by the heat exchange tube bundle from top to bottom, enters a diversion chamber at the lower part, and flows into two paths of air-water separators at two sides respectively through the diversion chamber;
step 2: after the high-temperature and high-pressure air is cooled by the heat exchange tube bundle, part of water vapor in the air is separated out, water drops with larger particle size are centrifugally separated when passing through the steering chamber, and are collected along the bottom of the drainage cavity; the water drops with smaller particle size enter the gas-water separator to be further separated along with the air after passing through the steering chamber, the separated liquid water is collected along the side edge of the drainage cavity, and is converged with the liquid water in the drainage cavity through the drainage pore plate, the drainage cavity ensures a certain liquid level, and liquid water seal is formed to prevent high-pressure air bypass; and when the liquid level reaches a certain height, automatically performing drainage through a drainage outlet.
Step 3: the saturated air after gas-water separation flows axially along the two sides of the gas-water separator, merges into one path in the exhaust cavity, flows out from the compressed gas outlet and enters the next-stage compressor or the gas storage system.
1) The invention can solve the problems of large occupied area and low system integration degree of the traditional heat exchanger and the gas-water separator which are separately arranged, can reduce the side flow resistance of the compressed air, reduce the amount of compressed air pipeline engineering, improve the electric conversion efficiency of the whole plant and reduce the manufacturing cost of the whole plant.
2) The invention solves the problems of large occupied area and low system integration caused by the separate arrangement of the heat exchanger and the gas-water separator of the heat exchange system at the compression side; the problem that the electric conversion efficiency of the energy storage power station is reduced due to the fact that a compressed air pipeline is long and air flow resistance is high is solved; the problems of long compressed air pipeline and high compressed air pipeline investment are solved.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a cross-sectional view at A-A in fig. 1.
Fig. 3 is a cross-sectional view at B-B in fig. 1.
Detailed Description
The following detailed description of the invention is, therefore, not to be taken in a limiting sense, but is made merely by way of example. While making the advantages of the present invention clearer and more readily understood by way of illustration.
As can be seen with reference to the accompanying drawings: integrated gas-water separation heat exchanger suitable for compressed air energy storage power station, its characterized in that: the device comprises a shell 1, a heat exchange tube bundle 2 positioned in the shell 1, a plurality of compressed gas inlets 11 positioned at the top of the shell 1, a plurality of compressed gas outlets 12 positioned at the bottom of the shell 1, and a plurality of groups of gas-water separation devices 3 positioned at the bottom of the shell 1, wherein the gas-water separation devices 3 comprise an exhaust chamber 31, a steering chamber 32 and a gas-water separator 34; the exhaust chamber 31 is positioned between the two steering chambers 32, and the bottom of the exhaust chamber 31 is connected with the compressed gas outlet 12;
the bottom of the steering chamber 32 is provided with a drainage orifice 321, a drainage outlet 322 communicated with the outside of the shell 1 is arranged below the drainage orifice 321, and the steering chamber 32 is communicated with the exhaust chamber 31.
The exhaust chamber 31 is a concave exhaust cavity formed by a partition 311, and the side surface of the diversion chamber 32 and the drain orifice 321 form a concave drain cavity 33.
The diversion chamber 32 communicates with the exhaust chamber 31 through a gas-water separator 34.
The application method of the integrated gas-water separation heat exchanger suitable for the compressed air energy storage power station is characterized by comprising the following steps of:
step 1: high-temperature high-pressure air from the outlet of the compressor enters the upper part of the shell 1 through the compressed air inlet 11 of the shell, is cooled by the heat exchange tube bundle 2 from top to bottom, enters the diversion chamber 32 at the lower part, and flows to the air-water separators 34 at the two sides respectively in two paths through the diversion chamber 32;
step 2: after the high-temperature and high-pressure air is cooled by the heat exchange tube bundle 2, part of water vapor in the air is separated out, water drops with larger particle size are centrifugally separated when passing through the diversion chamber 32, and are collected along the bottom of the drainage cavity 33; the water drops with smaller particle size enter the gas-water separator 34 to be further separated along with the air after passing through the turning chamber 32, the separated liquid water is collected along the side edge of the drainage cavity 33 and is converged with the liquid water in the drainage cavity 33 through the drainage orifice plate 321, the drainage cavity 33 ensures a certain liquid level, liquid water seal is formed, and high-pressure air bypass is prevented; when the liquid level reaches a certain height, the liquid is automatically drained through the drain outlet 322.
Step 3: the saturated air after gas-water separation flows axially along the two sides of the gas-water separator 34, merges into one path in the exhaust cavity, flows out from the compressed gas outlet 12 and enters the next-stage compressor or the gas storage system.
In actual use, the bottom of the shell 1 is provided with a plurality of supporting legs 5; the bottom of the side of the shell 1 is provided with a heat storage medium inlet 41, and the top is provided with a heat storage medium outlet 42.
The heat exchange tube bundle 2 adopts multi-flow horizontal arrangement, and the heat exchange tubes can adopt high-fin tubes or low-fin tubes according to the heat exchange area requirement; the gas-water separator 34 can adopt a silk screen demister or a ridge demister according to the requirement of the water content of the outlet; the compressed air passes through the shell side, the heat storage medium passes through the pipe side, and the compressed air and the heat storage medium are in a cross flow mode integrally.
In order to reduce the flow resistance of the shell side of the heat exchanger and ensure the uniformity of the air flow field in the heat exchanger, the compressed air inlet and outlet are designed with multiple interfaces, the number N of the interfaces is determined according to the air flow, the air-water separation device 3 below the center line of the heat exchanger is divided into N+1 areas by the partition plate 311, the number of the compressed air outlets 12 is N, and the number of the hydrophobic outlets 322 is N+1.
Other non-illustrated parts are known in the art.
Claims (3)
1. Integrated gas-water separation heat exchanger suitable for compressed air energy storage power station, its characterized in that: the device comprises a shell (1), a heat exchange tube bundle (2) positioned in the shell (1), a plurality of compressed gas inlets (11) positioned at the top of the shell (1), a plurality of compressed gas outlets (12) positioned at the bottom of the shell (1), and a plurality of groups of gas-water separation devices (3) positioned at the bottom of the shell (1), wherein the gas-water separation devices (3) comprise an exhaust chamber (31), a steering chamber (32) and a gas-water separator (34); the exhaust chamber (31) is positioned between the two steering chambers (32), and the bottom of the exhaust chamber (31) is connected with the compressed gas outlet (12);
a drainage pore plate (321) is arranged at the bottom of the steering chamber (32), a drainage outlet (322) communicated with the outside of the shell (1) is arranged below the drainage pore plate (321), and the steering chamber (32) is communicated with the exhaust chamber (31);
the steering chamber (32) is communicated with the exhaust chamber (31) through a gas-water separator (34);
the gas-water separator (34) adopts a silk screen demister or a ridge demister.
2. The integrated gas-water separation heat exchanger suitable for use in a compressed air energy storage power plant of claim 1, wherein: the exhaust chamber (31) is a concave exhaust cavity, and the side surface of the steering chamber (32) and the drain orifice (321) form a concave drain cavity (33).
3. Use of an integrated gas-water separation heat exchanger suitable for use in a compressed air energy storage power station according to any one of claims 1-2, comprising the steps of:
step 1: high-temperature high-pressure air enters the upper part of the shell (1) through a compressed air inlet (11) of the shell, is cooled by the heat exchange tube bundle (2) from top to bottom, enters a steering chamber (32) at the lower part, and flows into two paths of air-water separators (34) at two sides respectively through the steering chamber (32);
step 2: after the high-temperature and high-pressure air is cooled by the heat exchange tube bundle (2), part of water vapor in the air is separated out, water drops with larger particle size are centrifugally separated when passing through the steering chamber (32), and are collected along the bottom of the drainage cavity (33); the water drops with smaller particle size enter the gas-water separator (34) to be further separated along with the air after passing through the steering chamber (32), the separated liquid water is collected along the side edge of the drainage cavity (33) and is converged with the liquid water in the drainage cavity (33) through the drainage orifice plate (321), the drainage cavity (33) ensures a certain liquid level, forms liquid water seal, and prevents high-pressure air from bypassing; automatically draining water through a water drain outlet (322) when the liquid level reaches a certain height;
step 3: the saturated air after gas-water separation flows axially along the two sides of the gas-water separator (34), merges into one path in the exhaust cavity, flows out from the compressed gas outlet (12) and enters the next-stage compressor or the gas storage system.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2022226893065 | 2022-10-09 | ||
| CN202222689306 | 2022-10-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115790210A CN115790210A (en) | 2023-03-14 |
| CN115790210B true CN115790210B (en) | 2023-10-17 |
Family
ID=85435692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211378716.6A Active CN115790210B (en) | 2022-10-09 | 2022-11-04 | Integrated gas-water separation heat exchanger and method suitable for compressed air energy storage power station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115790210B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10020055A1 (en) * | 2000-04-22 | 2001-10-25 | Volkswagen Ag | Condenser used for separating gas and liquid from multiple phase fuel comprises condenser unit and separating unit with liquid retaining filter element |
| JP2003279215A (en) * | 2002-03-22 | 2003-10-02 | Hitachi Ltd | Air cooling system and gas turbine power generation system |
| CN109556433A (en) * | 2018-12-20 | 2019-04-02 | 佛山市天地元净化设备有限公司 | A kind of high efficient heat exchanging structure of compressed air freezing type drier |
| KR20200005152A (en) * | 2018-07-06 | 2020-01-15 | 한화파워시스템 주식회사 | Integrated heat exchanger and separator |
-
2022
- 2022-11-04 CN CN202211378716.6A patent/CN115790210B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10020055A1 (en) * | 2000-04-22 | 2001-10-25 | Volkswagen Ag | Condenser used for separating gas and liquid from multiple phase fuel comprises condenser unit and separating unit with liquid retaining filter element |
| JP2003279215A (en) * | 2002-03-22 | 2003-10-02 | Hitachi Ltd | Air cooling system and gas turbine power generation system |
| KR20200005152A (en) * | 2018-07-06 | 2020-01-15 | 한화파워시스템 주식회사 | Integrated heat exchanger and separator |
| CN109556433A (en) * | 2018-12-20 | 2019-04-02 | 佛山市天地元净化设备有限公司 | A kind of high efficient heat exchanging structure of compressed air freezing type drier |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115790210A (en) | 2023-03-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101464103B (en) | Counterflow indirect evaporative cooler | |
| CN111099681B (en) | Heat collecting system | |
| CN111099678B (en) | Fresh water collection method for seawater desalination | |
| CN202993895U (en) | Steam exhaust cooler of high-water-side pressure steam-driving induced draft fan steam turbine | |
| CN115790210B (en) | Integrated gas-water separation heat exchanger and method suitable for compressed air energy storage power station | |
| CN110145946B (en) | Water-saving switching type natural ventilation cooling tower | |
| CN220119906U (en) | Heat exchange, separation and cooling container device suitable for compressed air energy storage power station | |
| CN111795519A (en) | Absorption type circulating multifunctional heat exchanger | |
| CN201583152U (en) | Horizontal gas-liquid separation condenser | |
| CN100404798C (en) | Energy-saving vapour-exhausting device with built-in heat exchanger | |
| CN215638950U (en) | Condensation module and condenser | |
| CN214792027U (en) | Multi-process horizontal pipe internal condensation heat exchanger capable of achieving split liquid drainage | |
| CN209952256U (en) | Plate-fin heat exchanger device for falling film evaporation | |
| CN210486571U (en) | Water-saving switching type natural ventilation cooling tower | |
| CN200978685Y (en) | Energy-saving discharge device with built-in heat exchanger | |
| CN203011019U (en) | Parallel flow condenser and base station air conditioner | |
| CN102580334B (en) | Flash evaporator | |
| CN212620206U (en) | Multifunctional surface air cooler for evaporative air cooler | |
| CN219976818U (en) | Thermosiphon liquid storage device and refrigerating system with thermosiphon liquid storage device | |
| CN219674886U (en) | Evaporator and inverter | |
| CN219681719U (en) | Rectifying column condenser | |
| CN213948742U (en) | Serial multi-medium single-flow-type centralized cooling center | |
| CN220380338U (en) | Plate-shell type heat exchanger for organic Rankine cycle system | |
| CN216149068U (en) | Energy-saving device for producing butanol and octanol | |
| CN217585453U (en) | Drainage cooling device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |